Which equation represents a circle with center (-4, 9) and radius 7? (x-4) + (y+9) = 49
(x+4) + (y-9) = 7
(x+4) + (y-9) = 49
(x-4) + (y-9) = square root of 7

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16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f